//
//  ColorUtil.m
//  Dolphin
//
//  Created by Handymood on 11-6-22.
//  Copyright 2011 __Hanydmood__. All rights reserved.
//

#import "ColorUtil.h"

@implementation ColorUtil

//a util function to change string hex value to uicolor object
+ (UIColor *) stringHexToUIColor: (NSString *) stringToConvert
{
	NSString *cString = [[stringToConvert stringByTrimmingCharactersInSet:
                          [NSCharacterSet whitespaceAndNewlineCharacterSet]] uppercaseString];
    
	// String should be 6 or 8 characters
	if ([cString length] < 6) return [UIColor blackColor];
    
	// strip 0X if it appears
	if ([cString hasPrefix:@"0X"]) cString = [cString substringFromIndex:2];
	if ([cString length] != 6) return [UIColor blackColor];
    
	// Separate into r, g, b substrings
	NSRange range;
	range.location = 0;
	range.length = 2;
	NSString *rString = [cString substringWithRange:range];
	range.location = 2;
	NSString *gString = [cString substringWithRange:range];
	range.location = 4;
	NSString *bString = [cString substringWithRange:range];
	// Scan values
	unsigned int r, g, b;
	[[NSScanner scannerWithString:rString] scanHexInt:&r];
	[[NSScanner scannerWithString:gString] scanHexInt:&g];
	[[NSScanner scannerWithString:bString] scanHexInt:&b];
    
	return [UIColor colorWithRed:((float) r / 255.0f)
						   green:((float) g / 255.0f)
							blue:((float) b / 255.0f)
						   alpha:1.0f];
}

@end
